Progress Kendo UI for jQuery prior 2026.3.1015 PanelBar cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in Progress Kendo UI for jQuery. Affected is an unknown function of the component PanelBar. Performing a manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2026-106157. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Progress Kendo UI for jQuery. It has been classified as problematic. This affects some unknown functionality of the component PanelBar. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

In Progress® Kendo® UI for jQuery versions starting with 2019.2.514 and prior to 2026.3.1015, the PanelBar component inserts data source item URL values into a single-quoted href attribute without proper encoding. An attacker who can control an item URL can inject additional HTML attributes, including event handlers, and execute JavaScript in a user's browser when the affected item is interacted with. Successful exploitation can compromise the confidentiality and integrity of data accessible to the affected application. This issue is fixed in version 2026.3.1015.

It is possible to read the advisory at telerik.com. This vulnerability is uniquely identified as CVE-2026-106157 since 10/06/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 2026.3.1015 eliminates this vulnerability.

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Productinfo

Type

• JavaScript Library

Vendor

• Progress

Name

• Kendo UI for jQuery

License

• commercial

CPE 2.3info

• 🔒

CPE 2.2info

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